Going to next card

[Bob Sneidar]

I believe it has to re-populate and redraw the datagrid when you switch cards. I don’t think there is any caching going on there. 

Bob S


> On May 12, 2026, at 9:24 AM, jbv via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
> Le 2026-05-12 11:12, Bob Sneidar via use-livecode a écrit :
>> Are you updating the datagrid using setDataOfIndex? If so, then I believe it updates all the data, not just the visible data as it does when the datagrid updates automatically. Also, are you doing a query of the data each time the card changes?
>> Bob S
> 
> As I said, I've built a custom datagrid, so I can't use the regular datagrid commands.
> Before each query, all the fields are emptied, and then, depending on the number of
> results of the query, only one row (6 fields) can be filled, or up to 1800 rows
> (10800 fields).
> Emptying the fields and then inserting new contents is pretty fast, even for sucessive
> queries on the same card. The only problem is the delay when going to the next card.
> I might be wrong, but I have the impression that the engine is storing the content of
> the card somewhere before switching to the next card, for faster display when returning
> to the first card.
> I am using LC Community 9.6.2 on Mac OS Cataline 10.15.8.
> 
> Best,
> jbv
> 
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